TECHNICAL NOTE
High Reliability Series Serial EEPROM Series
SPI BUS Serial EEPROMs
Supply voltage 1.8V~5.5V
Operating temperature –40°C~+85°C type
BR25L010-W, BR25L020-W, BR25L040-W, BR25L080-W, BR25L160-W, BR25L320-W, BR25L640-W
Description
●
BR25L□□□-W series is a serial EEPROM of SPI BUS interface method.
Features
● High speed clock action up to 5MHz (Max.)
● Wait function by HOLD terminal
● Part or whole of memory arrays settable as read only memory area by program
● 1.8 ~ 5.5V single power source action most suitable for battery use
● Page write mode useful for initial value write at factory shipment
● Highly reliable connection by Au pad and Au wire
● For SPI bus interface (CPOL, CPHA) = (0, 0), (1, 1)
● Auto erase and auto end function at data rewrite
● Low current consumption
At write action (5V)
At read action (5V)
At standby action (5V) : 0.1μA (Typ.)
: 1.5mA (Typ.)
: 1.0mA (Typ.)
Page write
Number of
pages
● Address auto increment function at read action
● Write mistake prevention function
16 Byte
32 Byte
BR25L080-W
BR25L160-W
BR25L320-W
BR25L640-W
Write prohibition at power on
Write prohibition by command code (WRDI)
Write prohibition by WP pin
BR25L010-W
BR25L020-W
BR25L040-W
Product
number
Write prohibition block setting by status registers (BP1, BP0)
Write mistake prevention function at low voltage
● SOP8, SOP-J8, SSOP-B8, TSSOP-B8, MSOP8 TSSOP-B8J package *1 *2
● Data at shipment Memory array : FFh, status register WPEN, BP1, BP0 : 0
● Data kept for 40 years
● Data rewrite up to 1,000,000 times
*1 BR25L080/160-W : SOP8, SOP-J8, SSOP-B8, TSSOP-B8
*2 BR25L320/640-W : SOP8, SOP-J8
BR25L series
Power source
voltage
SOP8
F
SOP-J8
FJ
SSOP-B8 TSSOP-B8
MSOP8 TSSOP-B8J
Capacity
1Kbit
Bit format
128 X 8
256 X 8
512 X 8
1K X 8
Type
FVT
FV
FVM
FVJ
BR25L010-W
BR25L020-W
BR25L040-W
BR25L080-W
1.8 ~ 5.5V
1.8 ~ 5.5V
1.8 ~ 5.5V
1.8 ~ 5.5V
2Kbit
4Kbit
8Kbit
16Kbit
32Kbit
64Kbit
2K X 8
4K X 8
8K X 8
BR25L160-W
BR25L320-W
BR25L640-W
1.8 ~ 5.5V
1.8 ~ 5.5V
1.8 ~ 5.5V
Oct. 2008